3v4l.org

run code in 300+ PHP versions simultaneously
<?php function LevenshteinDistance($str1, $str2) { $d = array (); $len1 = strlen($str1); $len2 = strlen($str2); for ($i1 = 0; $i1 <= $len1; $i1++) { $d[$i1] = array (); $d[$i1][0] = $i1; } for ($i2 = 0; $i2 <= $len2; $i2++) { $d[0][$i2] = $i2; } for ($i1 = 1; $i1 <= $len1; $i1++) { for ($i2 = 1; $i2 <= $len2; $i2++) { $cost = ($str1[$i1 - 1] == $str2[$i2 - 1]) ? 0 : 1; $d[$i1][$i2] = min( $d[$i1 - 1][$i2 ] + 1, //挿入 $d[$i1 ][$i2 - 1] + 1, //削除 $d[$i1 - 1][$i2 - 1] + $cost //置換 ); } } return $d[$len1][$len2]; } echo LevenshteinDistance("aa","cft"); ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01418.33
8.3.50.0080.00922.00
8.3.40.0110.00418.84
8.3.30.0000.01419.09
8.3.20.0040.00420.16
8.3.10.0050.00223.70
8.3.00.0040.00422.44
8.2.180.0130.00616.63
8.2.170.0000.01422.96
8.2.160.0110.00420.58
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0070.00726.16
8.2.120.0040.00422.09
8.2.110.0080.00022.11
8.2.100.0090.00318.03
8.2.90.0000.00719.21
8.2.80.0040.00418.16
8.2.70.0000.00917.75
8.2.60.0030.00517.93
8.2.50.0080.00018.07
8.2.40.0000.00819.09
8.2.30.0050.00218.20
8.2.20.0040.00417.66
8.2.10.0040.00417.77
8.2.00.0000.00717.57
8.1.280.0140.00025.92
8.1.270.0090.00623.92
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00623.77
8.1.230.0080.00419.10
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0070.00217.36
8.1.190.0040.00417.66
8.1.180.0000.00918.10
8.1.170.0000.00818.63
8.1.160.0040.00422.09
8.1.150.0040.00418.76
8.1.140.0000.00817.38
8.1.130.0070.00017.84
8.1.120.0000.00717.37
8.1.110.0020.00517.48
8.1.100.0000.00717.53
8.1.90.0040.00417.43
8.1.80.0000.00717.48
8.1.70.0030.00317.36
8.1.60.0040.00417.61
8.1.50.0060.00317.58
8.1.40.0000.00817.50
8.1.30.0000.00917.64
8.1.20.0040.00417.68
8.1.10.0030.00517.49
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0050.00317.18
8.0.280.0050.00218.52
8.0.270.0040.00417.27
8.0.260.0000.00716.77
8.0.250.0040.00416.86
8.0.240.0000.00716.96
8.0.230.0070.00016.80
8.0.220.0000.00816.79
8.0.210.0030.00616.84
8.0.200.0030.00316.90
8.0.190.0030.00516.88
8.0.180.0050.00216.79
8.0.170.0090.00016.83
8.0.160.0000.00716.73
8.0.150.0030.00316.75
8.0.140.0000.00816.83
8.0.130.0030.00613.32
8.0.120.0040.00416.70
8.0.110.0070.00016.75
8.0.100.0040.00416.67
8.0.90.0000.00716.97
8.0.80.0100.01016.85
8.0.70.0040.00416.94
8.0.60.0000.00816.98
8.0.50.0000.00716.87
8.0.30.0080.01017.04
8.0.20.0070.01617.40
8.0.10.0000.00717.00
8.0.00.0180.00316.72
7.4.330.0000.00515.02
7.4.320.0030.00316.52
7.4.300.0030.00316.54
7.4.290.0000.00616.57
7.4.280.0070.00016.55
7.4.270.0000.00916.53
7.4.260.0030.00316.55
7.4.250.0070.00016.58
7.4.240.0020.00616.50
7.4.230.0070.00016.58
7.4.220.0180.00016.66
7.4.210.0100.00816.57
7.4.200.0070.00016.64
7.4.190.0070.00016.48
7.4.160.0100.00616.50
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0090.00816.71
7.4.120.0120.00516.59
7.4.110.0060.01816.58
7.4.100.0110.00616.54
7.4.90.0100.00716.69
7.4.80.0090.00919.39
7.4.70.0030.01716.69
7.4.60.0090.01216.48
7.4.50.0060.00316.54
7.4.40.0030.00822.77
7.4.30.0130.00316.60
7.4.00.0090.00614.84
7.3.330.0060.00313.34
7.3.320.0050.00013.22
7.3.310.0040.00316.28
7.3.300.0040.00416.25
7.3.290.0030.01116.32
7.3.280.0100.01016.35
7.3.270.0070.01017.40
7.3.260.0200.00316.39
7.3.250.0110.01016.35
7.3.240.0030.01316.44
7.3.230.0090.00916.63
7.3.210.0070.01316.57
7.3.200.0220.00019.39
7.3.190.0080.00816.50
7.3.180.0140.00316.24
7.3.170.0090.00616.38
7.3.160.0070.00716.63
7.3.120.0080.00814.90
7.3.10.0050.00916.40
7.3.00.0040.01016.53
7.2.330.0060.01216.79
7.2.320.0080.01116.77
7.2.310.0070.01116.72
7.2.300.0070.01316.48
7.2.290.0090.00616.79
7.2.130.0070.00816.62
7.2.120.0080.00616.72
7.2.110.0080.00816.85
7.2.100.0090.00716.85
7.2.90.0110.00316.84
7.2.80.0090.00416.86
7.2.70.0080.00816.66
7.2.60.0060.00616.58
7.2.50.0040.01116.98
7.2.40.0060.01017.08
7.2.30.0080.00716.71
7.2.20.0120.00516.46
7.2.10.0070.00716.61
7.2.00.0050.00917.83
7.1.250.0080.00815.57
7.1.100.0000.01517.73
7.1.70.0110.00017.24
7.1.60.0140.01019.29
7.1.50.0130.01016.86
7.1.00.0030.07322.48
7.0.200.0160.00016.77
7.0.140.0100.06322.08
7.0.100.0370.07319.95
7.0.90.0130.04019.89
7.0.80.0130.04320.00
7.0.70.0070.08019.93
7.0.60.0200.06719.98
7.0.50.0130.08320.25
7.0.40.0070.04719.95
7.0.30.0030.05720.09
7.0.20.0030.08719.94
7.0.10.0100.08019.95
7.0.00.0130.05320.15
5.6.280.0000.07320.93
5.6.250.0130.07320.57
5.6.240.0100.10320.55
5.6.230.0070.08020.70
5.6.220.0070.08320.63
5.6.210.0030.09020.61
5.6.200.0070.08320.97
5.6.190.0070.07021.09
5.6.180.0130.08321.09
5.6.170.0070.06721.12
5.6.160.0070.08321.04
5.6.150.0100.06721.12
5.6.140.0070.08021.12
5.6.130.0030.07320.94
5.6.120.0100.04720.96
5.6.110.0030.08721.18
5.6.100.0070.05721.10
5.6.90.0100.04721.10
5.6.80.0100.07320.41
5.6.70.0070.08020.46
5.6.60.0070.05020.43
5.6.50.0000.06720.35
5.6.40.0070.07020.39
5.6.30.0070.08320.39
5.6.20.0070.04720.47
5.6.10.0070.07320.47
5.6.00.0100.04320.45
5.5.380.0200.06320.43
5.5.370.0130.07720.43
5.5.360.0030.06020.50
5.5.350.0030.08720.47
5.5.340.0000.05720.79
5.5.330.0200.06720.92
5.5.320.0070.07020.74
5.5.310.0100.07320.65
5.5.300.0230.05320.89
5.5.290.0170.07720.92
5.5.280.0170.08020.93
5.5.270.0100.07720.90
5.5.260.0100.07720.91
5.5.250.0170.04720.66
5.5.240.0070.08020.25
5.5.230.0100.05720.30
5.5.220.0070.05020.26
5.5.210.0070.07720.30
5.5.200.0100.08020.24
5.5.190.0100.04020.05
5.5.180.0100.06320.16
5.5.160.0100.04720.09
5.5.150.0170.07020.24
5.5.140.0070.04720.18
5.5.130.0030.07020.19
5.5.120.0070.07720.14
5.5.110.0100.07720.13
5.5.100.0070.06020.04
5.5.90.0000.05319.95
5.5.80.0100.06020.07
5.5.70.0030.05020.07
5.5.60.0170.06320.15
5.5.50.0070.08320.09
5.5.40.0100.06720.16
5.5.30.0070.06320.14
5.5.20.0170.06720.06
5.5.10.0070.08019.98
5.5.00.0170.06720.04
5.4.450.0100.08019.36
5.4.440.0070.07719.27
5.4.430.0100.07719.19
5.4.420.0130.07719.44
5.4.410.0030.07719.29
5.4.400.0130.06719.23
5.4.390.0130.07019.04
5.4.380.0130.07719.09
5.4.370.0130.06719.09
5.4.360.0130.07319.12
5.4.350.0170.07018.85
5.4.340.0170.07018.89
5.4.320.0030.08319.13
5.4.310.0030.06319.25
5.4.300.0070.05319.02
5.4.290.0030.08719.04
5.4.280.0070.07719.20
5.4.270.0030.07318.90
5.4.260.0030.07719.04
5.4.250.0030.05719.11
5.4.240.0170.06719.20
5.4.230.0070.07318.87
5.4.220.0070.07719.17
5.4.210.0070.07318.84
5.4.200.0100.06319.22
5.4.190.0100.07719.02
5.4.180.0070.07719.02
5.4.170.0030.08318.87
5.4.160.0030.06719.21
5.4.150.0000.07019.21
5.4.140.0100.06716.55
5.4.130.0130.06716.42
5.4.120.0100.04016.41
5.4.110.0030.07016.43
5.4.100.0130.07016.36
5.4.90.0000.06016.34
5.4.80.0130.07016.43
5.4.70.0000.08016.45
5.4.60.0030.06316.26
5.4.50.0100.06716.32
5.4.40.0070.04016.49
5.4.30.0200.06016.36
5.4.20.0130.04016.47
5.4.10.0070.04316.24
5.4.00.0100.06715.85
5.3.290.0070.07014.71
5.3.280.0030.06014.59
5.3.270.0030.08014.68
5.3.260.0170.06314.60
5.3.250.0130.07014.62
5.3.240.0130.06714.71
5.3.230.0070.04314.56
5.3.220.0000.05314.67
5.3.210.0030.04714.64
5.3.200.0200.03014.50
5.3.190.0130.07014.61
5.3.180.0070.07314.52
5.3.170.0100.06714.71
5.3.160.0070.04714.56
5.3.150.0070.07014.50
5.3.140.0030.07314.49
5.3.130.0070.07314.64
5.3.120.0070.07014.59
5.3.110.0030.07714.49
5.3.100.0100.07014.14
5.3.90.0030.06714.01
5.3.80.0130.04314.09
5.3.70.0030.05713.91
5.3.60.0100.03714.09
5.3.50.0070.05013.86
5.3.40.0130.06713.89
5.3.30.0030.06313.91
5.3.20.0030.05013.85
5.3.10.0100.06713.71
5.3.00.0070.04013.54
5.2.170.0000.03712.88
5.2.160.0030.05312.88
5.2.150.0070.03712.88
5.2.140.0030.06712.88
5.2.130.0030.06312.88
5.2.120.0030.06312.88
5.2.110.0100.05012.88
5.2.100.0070.05012.88
5.2.90.0000.03712.88
5.2.80.0070.06012.88
5.2.70.0070.06012.88
5.2.60.0070.05712.88
5.2.50.0030.06312.88
5.2.40.0130.05312.88
5.2.30.0070.05012.88
5.2.20.0100.05312.88
5.2.10.0100.05712.88
5.2.00.0030.06012.88
5.1.60.0070.03012.88
5.1.50.0170.03712.88
5.1.40.0000.05712.88
5.1.30.0030.05312.88
5.1.20.0000.06312.88
5.1.10.0030.05312.88
5.1.00.0070.05312.88
5.0.50.0100.03712.88
5.0.40.0000.04712.88
5.0.30.0030.05712.88
5.0.20.0100.04012.88
5.0.10.0000.02712.88
5.0.00.0030.03312.88
4.4.90.0000.03712.88
4.4.80.0030.02712.88
4.4.70.0000.03312.88
4.4.60.0070.03312.88
4.4.50.0030.03712.88
4.4.40.0030.05312.88
4.4.30.0100.02712.88
4.4.20.0030.02712.88
4.4.10.0000.04012.88
4.4.00.0000.03012.88
4.3.110.0000.03712.88
4.3.100.0000.03712.88
4.3.90.0030.03712.88
4.3.80.0000.02312.88
4.3.70.0030.01312.88
4.3.60.0030.02012.88
4.3.50.0000.01712.88
4.3.40.0030.02312.88
4.3.30.0000.01712.88
4.3.20.0000.01712.88
4.3.10.0000.02012.88
4.3.00.0030.01312.88

preferences:
45.78 ms | 401 KiB | 5 Q